The hypothesis that ecological differences play a role in the evolution of body colour variation within and between sexes in a radiation of endemic Hawaiian damsel? 1/4 ?ies is tested.
We present a new technique to study Jacobian variety decompositions using subgroups of the automorphism group of the curve and the corresponding intermediate covers.
This essay explores the eighteenth-century campaigns in Britain to develop a new kind of imperial economy in the northern reaches of the Atlantic world that would focus less on settler colonies and agriculture, and more on the extraction of minerals, metals, and energy to fuel the burgeoning industrial sectors of England. These efforts reveal how new visions of enlightened progress emerged in the 18th and 19th century that imagined a world filled with endless natural resources capable of being tapped by those with the scientific and administrative know-how to do so.
